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Black Opal
Black Opal

Chrome Diopside
Chrome Diopside



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Black Opal
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Chrome Diopside

Black Opal and Chrome Diopside Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Common trichroism: light green
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gems, Sixth Edition (2006)
1.5 Refractive Index
1.370-1.4701.668-1.703
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.024-0.030
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Black Opal and Chrome Diopside Optic Character

Black Opal and Chrome Diopside optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Black Opal and Chrome Diopside Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Black Opal and Chrome Diopside optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Black Opal and Chrome Diopside Transparency

Similar to their colors, Black Opal and Chrome Diopside transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Black Opal is Translucent and Transparent while Black Opal is Translucent and Transparent in appearance.